When Sam has nightmares of their old home, the brothers return to Lawrence, Kansas to investigate. They discover that a new family has moved into the Winchester‘s home, and the woman is the one that Sam has been dreaming about. The family has been hearing and seeing frightening things, and the brothers think it might be haunted by the thing that killed their mother. They enlist the help of their father‘s psychic to rid the house of the angry poltergeist.